Nothing brings out holiday spirit like caroling around town or sharing a good time with friends. But when you combine both of those fun activities with Google technology, Weezer, Greyson Chance, and Demo Slam, you get Battle of the Demos: Musical Holiday Edition.

This winter season, Weezer and Greyson Chance stepped to into the Demo Slam arena to show the world their most creative tech demos. We know they can both sing, but who will win in a battle of technology?

Spending his Christmas home in Oklahoma City, Greyson Chance figured he could combine Google Local Search and caroling to spread some musical cheer around town:

Weezer is known for their adoring fans (well, at least one adoring fan authoring this post). Check out this slam that gets the whole crowd involved:

Head over to demoslam.com to vote and help decide whether a voice search performed by 3,000 people or crooning through the streets of Oklahoma City will reign supreme.